Android NotificationListenerService监听通知消息

package com.sjl.nlservice; import android.app.Activity; import android.app.Notification; import android.app.NotificationManager; import android.content.BroadcastReceiver; import android.content.Context; import android.content.Intent; import android.content.IntentFilter; import android.os.Bundle; import android.support.v4.app.NotificationManagerCompat; import android.support.v4.content.LocalBroadcastManager; import android.view.View; import android.widget.Button; import android.widget.TextView; public class MainActivity extends Activity implements View.OnClickListener { private static final String TAG = "MainActivity"; private static final int NOTIFICATION = 100; private Button btnAuth; private Button btnSend; private Button btnRemove; private TextView tv; private NotificationManager manager; private BroadcastReceiver broadcastReceiver = new BroadcastReceiver() { @Override public void onReceive(Context context, Intent intent) { String str = intent.getStringExtra("text"); tv.setText(str); } }; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); initView(); } private void initView() { btnAuth = (Button) findViewById(R.id.btnAuth); btnAuth.setOnClickListener(this); btnSend = (Button) findViewById(R.id.btnSend); btnSend.setOnClickListener(this); btnRemove = (Button) findViewById(R.id.btnRemove); btnRemove.setOnClickListener(this); tv = (TextView) findViewById(R.id.tv); manager = (NotificationManager) getSystemService(NOTIFICATION_SERVICE); //注册本地广播监听 IntentFilter intentFilter = new IntentFilter(); intentFilter.addAction(getPackageName()); LocalBroadcastManager.getInstance(this).registerReceiver(broadcastReceiver, intentFilter); } @Override protected void onResume() { super.onResume(); btnAuth.setText(String.format("授权——%s", isNotificationServiceEnable() ? "已授权" : "未授权")); } @Override protected void onDestroy() { super.onDestroy(); LocalBroadcastManager.getInstance(this).unregisterReceiver(broadcastReceiver); } /** * 是否已授权 * * @return */ private boolean isNotificationServiceEnable() { return NotificationManagerCompat.getEnabledListenerPackages(this).contains(getPackageName()); } @Override public void onClick(View v) { switch (v.getId()) { case R.id.btnAuth: //直接跳转通知授权界面 //android.settings.ACTION_NOTIFICATION_LISTENER_SETTINGS是API 22才加入到Settings里，这里直接写死 startActivity(new Intent("android.settings.ACTION_NOTIFICATION_LISTENER_SETTINGS")); break; case R.id.btnSend: sendNotification(); break; case R.id.btnRemove: removeNotification(); break; } } /** * 发送通知 */ private void sendNotification() { Notification notification = new Notification.Builder(this) // 设置显示在状态栏的通知提示信息 .setTicker("有新消息") // 设置通知的图标 .setSmallIcon(R.mipmap.ic_launcher) // 设置通知内容的标题 .setContentTitle("一条新通知") // 设置通知内容 .setContentText("通知内容") .setWhen(System.currentTimeMillis()) .build(); notification.tickerText = "您有一条新的通知"; notification.defaults = notification.DEFAULT_SOUND; manager.notify(NOTIFICATION, notification); } /** * 移除通知 */ private void removeNotification() { manager.cancel(NOTIFICATION); } }